1022660407 has 2 divisors, whose sum is σ = 1022660408. Its totient is φ = 1022660406.

The previous prime is 1022660377. The next prime is 1022660459. The reversal of 1022660407 is 7040662201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1022660407 - 2¹¹ = 1022658359 is a prime.

It is a super-4 number, since 4×1022660407⁴ (a number of 37 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1022660467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511330203 + 511330204.

It is an arithmetic number, because the mean of its divisors is an integer number (511330204).

Almost surely, 2^1022660407 is an apocalyptic number.

1022660407 is a deficient number, since it is larger than the sum of its proper divisors (1).

1022660407 is an equidigital number, since it uses as much as digits as its factorization.

1022660407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 1022660407 is about 31979.0620093836. The cubic root of 1022660407 is about 1007.4971217030.

The spelling of 1022660407 in words is "one billion, twenty-two million, six hundred sixty thousand, four hundred seven".